CN203592461U

CN203592461U - General snap spring pliers for inner elastic collar and outer elastic collar

Info

Publication number: CN203592461U
Application number: CN201320836400.7U
Authority: CN
Inventors: 张欣倪; 张义胜; 李素云
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-12-18
Filing date: 2013-12-18
Publication date: 2014-05-14
Anticipated expiration: 2023-12-18

Abstract

The utility model discloses a pair of general snap spring pliers for an inner elastic collar and an outer elastic collar and belongs to the field of snap spring pliers in hardware tools. The pliers comprise two working contacts (1) and two plier handles (3) connected in a coupling mode after intersection. A snap plier head (8) is arranged at one end of each snap plier (3), and the general snap spring pliers are characterized in that a hole plier insertion groove (10) and a shaft plier insertion groove (11) are formed in the front end face of each snap plier head (8). Openings of the shaft plier insertion grooves (11) are perpendicular to the end faces of the snap plier heads (8), and an included angle alpha is formed between the openings of the shaft plier insertion grooves (11) and openings of the hole plier insertion grooves (10). The tails ends of the working contacts (1) are fixed into the insertion grooves through contact fixing pins (2) in an insertion mode, and the front ends of the working contacts (1) are bent to form elbows (7). Assembly between plier bodies and the working contacts is convenient; the ends of the working contacts are bent, so that it is ensured that the elastic collars do not slip off. Through position replacement of the working contacts, inner snap spring pliers and outer snap spring pliers can be switched, so that dual purposes are achieved through one pair of general snap spring pliers.

Description

A kind of inside and outside general Circlip tongs of circlip

Technical field

A kind of inside and outside general Circlip tongs of circlip, belongs to Circlip tongs field in hardware & tools.

Background technology

In machinery industry, circlip for hole 14 and circlip for shaft 12 are interior circlip or the outer circlips that are used for fixing respectively hole 15 and axle 13 external diameters, and its structural representation is shown in Fig. 6 and Fig. 8.Interior circlip or the outer circlip fixed form in hole 15 and on axle 13 external diameters is referring to Fig. 7 and Fig. 9.

The instrument that circlip for hole 14 and circlip for shaft 12 are installed is respectively interior Circlip tongs and purpose outside spring caliper.The shortcoming of existing Circlip tongs is: 1, caliper, binding clip and working contact are structure as a whole, and because caliper and working contact are one, once working contact damages, whole Circlip tongs is scrapped.2, working contact end is straight, and when use, circlip easily comes off.Now also have and can realize circlip for hole and the general Circlip tongs of circlip for shaft, but structure is all comparatively complicated, manufacture process comparatively bothers.Use also heavylier, continuous operation meeting additionally increases labour intensity.

Summary of the invention

The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of simple in structure can be not only for circlip for hole but also for the general Circlip tongs of circlip inside and outside the one of circlip for shaft.

The utility model solves the technical scheme that its technical problem adopts: the general Circlip tongs of this inside and outside circlip, comprise two working contacts and two clamp handles, two clamp handles are coupling after intersecting, one end of clamp handle is clamp head, it is characterized in that: on the front end face of described clamp head, have hole pincers slot and axle pincers slot, axle is with the opening of pincers slot perpendicular to the end face of clamp head, and hole has angle with the opening of pincers slot and axle with clamping between the opening of slot; Working contact end is pegged graft and is fixed in slot by contact steady pin, and the front end of working contact is bent to form elbow.

The front end face of clamp head is flat end face, on the end face of clamp head, offers hole pincers slot and two slots of axle pincers slot at upper and lower different-thickness to clamp head inside; Two working contact profiles are identical, and the front end of working contact is bent to form elbow, and working contact keeps elbow direction opposing or relatively and endways peg graft respectively simultaneously and be fixed in the slot above or below two clamp heads.

The size of described angle is 8 ~ 17o.Axle is with clamping the opening direction of slot perpendicular to the end face of clamp head, and working contact keeps the opposing axle pincers slot that is plugged on of elbow direction as purpose outside spring caliper; Hole tilt laterally with the opening direction of pincers slot and and the opening of axle pincers slot towards the angle that has 8 ~ 17o, working contact keeps elbow direction to be relatively plugged on axle Circlip tongs after clamping slot as interior Circlip tongs.

The opening and the axle pincers slot that on described clamp head, have through hole intercommunicating pore pincers slot, working contact is fixed by the contact steady pin that inserts through hole after inserting slot.

The inner side of two described clamp handles is respectively equipped with that palm is held hole or thumb is held hole.

Compared with prior art, the beneficial effect that a kind of inside and outside general Circlip tongs of circlip of the present utility model has is: separately, it is convenient to split between the two for caliper of the present utility model and working contact, and working contact is changed position simple and fast.Between caliper and working contact, utilize contact steady pin to fix, can not come off easily simply again.The bending of the utility model design work contact end, guarantees that circlip for hole and circlip for shaft can landings in the time that circlip is installed.On the end face of clamp head, have the slot that angle is different, the conversion that interior Circlip tongs and purpose outside spring caliper can be realized in working contact replacing position, realizes pincers dual-purpose, is easy to carry, saves manufacturing cost and increase work efficiency again.Working contact is as the minimum unit that the most easily damages parts, and the utility model only needs to change auxiliary work contact and can work on after working contact damages, and maximizedly reduced loss.Of the present utility model simple in structure, manufacture simple and easy, practical.

Accompanying drawing explanation

Fig. 1 is a kind of each parts decomposition texture schematic diagram of the inside and outside general Circlip tongs of circlip.

Fig. 2 is a kind of purpose outside spring caliper package assembly schematic diagram of the inside and outside general Circlip tongs of circlip.

Fig. 3 is a kind of interior Circlip tongs package assembly schematic diagram of the inside and outside general Circlip tongs of circlip.

Fig. 4 is a kind of optional clamp handle arrangement schematic diagram of the inside and outside general Circlip tongs of circlip.

Fig. 5 is a kind of A place clamp head enlarged diagram of the inside and outside general Circlip tongs of circlip.

Fig. 6 is existing circlip for shaft schematic diagram.

Fig. 7 is that existing circlip for shaft is fixed schematic diagram on axle.

Fig. 8 is existing circlip for hole schematic diagram.

Fig. 9 is that existing circlip for hole is fixed schematic diagram on hole.

Wherein: 1, working contact 2, contact steady pin 3, clamp handle 4, bearing pin 5, spring 6, palm are held hole 7, elbow 8, clamp head 9, thumb and held hole 10, hole pincers slot 11, axle pincers slot 12, circlip for shaft 13, axle 14, circlip for hole 15, hole.

The specific embodiment

Fig. 1 ~ 3rd, a kind of inside and outside general Circlip tongs of circlip most preferred embodiment of the present utility model, is described further below in conjunction with 1 ~ 5 pair of the utility model of accompanying drawing.

With reference to accompanying drawing 1 ~ 3: the inside and outside general Circlip tongs of circlip of the present utility model, comprises working contact 1, clamp handle 3, clamp head 8; Two clamp handles 3 and clamp head 8 are by the be hinged main body of composition Circlip tongs of bearing pin 4; Between clamp handle 3 and clamp head 8, have clamp hole, the head of bearing pin 4 and upper caliper hole are matched in clearance, and the bottom of bearing pin 4 and lower caliper hole are interference fit.Clamp head 8 has flat end face, on the end face of clamp head 8, has hole pincers slot 10 and axle pincers slot 11 at differing heights, and hole has angle α with pincers slot 10 and the opening direction of axle pincers slot 11 on Circlip tongs folding face; Working contact 1 patchhole is interior and fixing by contact steady pin 2 with pincers slot 10 or axle pincers slot 11.

With reference to accompanying drawing 5: axle is the end face perpendicular to clamp head 8 with the opening direction of pincers slot 11, and working contact 1 keeps the opposing axle pincers slot 11 that is plugged on of elbow 7 directions as purpose outside spring caliper; Hole tilt laterally with the opening direction of pincers slot 10 and and the opening direction of axle with pincers slot 11 between have the angle α of 8 ~ 17o, working contact 1 to keep elbow 7 directions to be relatively plugged on axle with clamping the rear Circlip tongs of slot 11 as interior Circlip tongs.Hole is with the opening of pincers slot 10 and axle pincers slot 11 towards having guaranteed that insert axle at working contact 1 can mutually not conflict after clamping slot 11, and working contact 1 is held clamp handle 3 at patchhole with a firm grip with the rear dependence of pincers slot 10 can be closed.

The bend at end of working contact 1 forms elbow 7.Prevent that Circlip tongs from coming off picking up after circlip.A circle groove also can be offered in the end of working contact 1, prevents that Circlip tongs from coming off picking up after circlip.

Fig. 4 is a kind of optional structure of the inside and outside general Circlip tongs of circlip, and two clamp handles 3 extend respectively infolding and form that palm is held hole 6 or thumb is held hole 9.Circlip tongs need to give the power of clamp handle 3 outer supports in the time using as purpose outside spring caliper, traditional Circlip tongs handle is not held hole, palm is being held in the outer rear very difficult enforcement external support force of clamp handle 3, all changed into parallelly by intersection by the be coupling form of mode of change in a conventional manner, form the external support force of clamp head 8 by the grip to 3, clamp handle.The present embodiment is provided with in clamp handle 3 inner sides that palm is held hole 6 or thumb is held hole 9, only need change palm hold while needing external support force, holds that palm is held hole 6 and thumb is held hole 9, can easily apply external support force.

Hole of the present utility model with the opening of pincers slot 10 or axle pincers slot 11 towards between angle α on Circlip tongs folding face, be being subject on force direction in the time of Circlip tongs gripping circlip, after working contact 1 inserts slot, can there is enough stress-bearing capability.

Concrete using method: two working contacts 1 of the present utility model and clamp head 8 be for after pegging graft and fixing by contact steady pin 2, two working contacts 1 transposition easily in use, the conversion of Circlip tongs and purpose outside spring caliper in realizing.In two working contacts 1 all insert axle poly-in opening pincers slot 11 and both elbows 7 can be used as purpose outside spring caliper outwardly time.When two working contacts 1 all insert hole that opening direction disperses towards both sides with clamping in slot 10 and both elbows 7 can be used as interior Circlip tongs inwardly time.Because working contact 1 and clamp set up separately, after working contact 1 damages, only need to change working contact 1.

The above, it is only preferred embodiment of the present utility model, be not the restriction of the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.

Claims

1. the general Circlip tongs of circlip inside and outside a kind, comprise two working contacts (1) and two clamp handles (3), two clamp handles (3) are coupling after intersecting, one end of clamp handle (3) is clamp head (8), it is characterized in that: on the front end face of described clamp head (8), have hole pincers slots (10) and pincers slots (11) for axle, axle is with the opening of pincers slots (11) perpendicular to the end face of clamp head (8), and hole has angle α with the opening of pincers slots (10) and axle with clamping between the opening of slots (11); Working contact (1) end is pegged graft and is fixed in slot by contact steady pin (2), and the front end of working contact (1) is bent to form elbow (7).

2. the inside and outside general Circlip tongs of circlip of one according to claim 1, is characterized in that: the size of described angle α is 8 ~ 17o.

3. the inside and outside general Circlip tongs of circlip of one according to claim 1, it is characterized in that: on described clamp head (8), have opening and the axle pincers slots (11) of through hole intercommunicating pore pincers slots (10), working contact (1) is fixed by the contact steady pin (2) that inserts through hole after inserting slot.

4. the inside and outside general Circlip tongs of circlip of one according to claim 1, is characterized in that: the inner side of two described clamp handles (3) is respectively equipped with that palm is held hole (6) or thumb is held hole (9).